Wednesday, July 6, 2016

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 062108
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
408 PM CDT WED JUL 6 2016


WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
408 PM CDT WED JUL 6 2016 /508 PM EDT WED JUL 6 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:
LIMITED THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.
ELEVATED FOG RISK.

DISCUSSION:

A MID LEVEL IMPULSE TRACKING ACROSS THE MIDDLE MISSISSIPPI VALLEY
THROUGH CENTRAL ILLINOIS AND INDIANA MAY BRING ANOTHER ROUND OF
THUNDERSTORMS THIS EVENING. THE MOST FAVORABLE LOCATION FOR
THUNDERSTORMS WILL BE SOUTH OF THE INTERSTATE 80 CORRIDOR...BUT
SOME THUNDERSTORMS MAY BE POSSIBLE JUST NORTH OF INTERSTATE 80 AS
WELL. A FEW OF THE STRONGEST STORMS MAY PRODUCE LOCALIZED SEVERE
WEATHER...PRIMARILY IN THE FORM OF DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THURSDAY...
ELEVATED SEVERE THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.
FRIDAY...
LIMITED THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.
HIGH SWIM RISK.
SATURDAY...
HIGH SWIM RISK.
MONDAY...
LIMITED THUNDERSTORM RISK.
TUESDAY...
LIMITED THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.

DISCUSSION:

STRONG TO SEVERE STORMS ARE POSSIBLE THURSDAY. CURRENT
THINKING IS WE COULD SEE TWO ROUNDS OF STORMS. THE FIRST
ROUND IS EXPECTED TO IMPACT AREAS SOUTH & WEST OF A ROCKFORD
ILLINOIS TO FOWLER INDIANA LINE IN THE LATE MORNING AND EARLY
AFTERNOON. A SECOND ROUND OF STORMS MAY ALSO IMPACT THE
REGION THURSDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

GENERAL STORM MOTION OF THE DAY:

MOVING TO THE EAST AT 25-30 MPH.

&&


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